SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
DSST Physical Sciences Principles
Start Test
Study First
Subjects
:
dsst
,
science
Instructions:
Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Electromagnetic radiation can be viewed as...
Near a maximum
Waves and particles
12 miles per hour
Halogen radicals interfering in ozone synthesis
2. Circular motion requires centripetal force
Decreased
Heat of fusion
Newtons second principle of Universal Gravitation
First principle of Centripetal force
3. The larger the centripetal force - the faster an object travels in a circle of a given size
Second principle of Centripetal force
First principle of Centripetal force
Difference in the sped of light in water vs. air
Newtons second principle of Universal Gravitation
4. In a generator - the flow of electrons (current) is created by...
Momentum
Difference in the sped of light in water vs. air
Movement
Newtons third principle of Universal Gravitation
5. The theoretical production curve of oil indicates oil production is...
12 miles per hour
Decreased
Near a maximum
Newtons second principle of Universal Gravitation
6. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Less on the moon
Newtons second principle of Universal Gravitation
Increases the energy
Increasing speed and constant acceleration
7. At a given speed - the centripetal force - the smaller the circle.
Decreased
Second principle of Centripetal force
Third principle of Centripetal force
Near a maximum
8. cogeneration uses...
Momentum
Increases the energy
Waste heat for secondary uses
Halogen radicals interfering in ozone synthesis
9. All objects with mass are attracted to another by the gravitational force
Universal
Increasing speed and constant acceleration
Newtons first principle of Universal Gravitation
Twice the work
10. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
Means less power is transmitted
12 miles per hour
Less on the moon
5 m/s
11. Increasing the frequency of light
Second principle of Centripetal force
Newtons first principle of Universal Gravitation
Increases the energy
Sulfur
12. Entropy refers to...
Remains unchanged
Mechanical - chemical - and radiant energy
Disorder
Near a maximum
13. A temperature of -10 degrees celsius is equivalent to...
Means less power is transmitted
Waves and particles
263 degrees kelvin
Newtons first principle of Universal Gravitation
14. The work that a heat engine is able to accomplish is ideally equivalent to the
Mechanical - chemical - and radiant energy
Total internal energy of an object
Difference between the heat supplied and the heat exhausted
Twice the work
15. The heat involved in the change of phase of phase from solid ice to liquid water is called...
Increases the energy
Momentum
Disorder
Heat of fusion
16. The gravitational force - two masses are directly proportional to the mass of each object
Newtons second principle of Universal Gravitation
Decreased
Sulfur
Difference between the heat supplied and the heat exhausted
17. In burning coal - what contaminant is of major concern as a pollutant...
Difference in the sped of light in water vs. air
Remains unchanged
Increasing speed and constant acceleration
Sulfur
18. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
12 miles per hour
Less on the moon
Means less power is transmitted
First principle of Centripetal force
19. The ozone hole results from...
Newtons third principle of Universal Gravitation
Halogen radicals interfering in ozone synthesis
Waste heat for secondary uses
Universal
20. When you add heat to a substance - its temperature...
Near a maximum
Might stay the same
Difference between the heat supplied and the heat exhausted
Newtons third principle of Universal Gravitation
21. The weight of one kilogram of iron on earth is...
Less on the moon
Increases the energy
Might stay the same
Difference in the sped of light in water vs. air
22. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Momentum
Newtons third principle of Universal Gravitation
Waves and particles
Universal
23. If a charging elephant has kinetic energy - it must also have...
Newtons second principle of Universal Gravitation
Waste heat for secondary uses
Momentum
Sulfur
24. Which is not one of the fundamental forces of nature...
Universal
Twice the work
Waste heat for secondary uses
263 degrees kelvin
25. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
Mechanical - chemical - and radiant energy
Might stay the same
Remains unchanged
Universal
26. Heat is the...
Difference in the sped of light in water vs. air
Newtons second principle of Universal Gravitation
Heat of fusion
Total internal energy of an object
27. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
Increasing speed and constant acceleration
Newtons third principle of Universal Gravitation
5 m/s
263 degrees kelvin
28. Raising an auto in a service station requires work. Raising it twice as high requires...
Total internal energy of an object
Decreased
Increasing speed and constant acceleration
Twice the work
29. The reason that a spear fisherman cannot see where the fish is actually located is...
Waste heat for secondary uses
Waves and particles
Disorder
Difference in the sped of light in water vs. air
30. From the 50's and to the 70's - the pH of rain in the northeast had..
Less on the moon
Decreased
Halogen radicals interfering in ozone synthesis
Might stay the same
31. Electrical energy can be converted to...
Universal
Difference in the sped of light in water vs. air
Mechanical - chemical - and radiant energy
Waste heat for secondary uses